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// Copyright (c) 1999-2004
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel). All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/Number_types/include/CGAL/Interval_arithmetic_impl.h $
// $Id: include/CGAL/Interval_arithmetic_impl.h b26b07a1242 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Sylvain Pion
namespace CGAL {
#ifdef CGAL_CFG_DENORMALS_COMPILE_BUG
// For compilers which bug on denormalized values at compile time.
// We generate CGAL_IA_MIN_DOUBLE at run time.
namespace {
double init_min_double()
{
double d = 1;
double e = 1;
do {
d = e;
e = CGAL_IA_FORCE_TO_DOUBLE(e/2);
} while (e != 0);
return d;
}
} // anonymous namespace
#ifndef CGAL_HEADER_ONLY
namespace internal {
double minimin = init_min_double();
double& get_static_minimin()
{
return minimin;
}
}
#else // CGAL_HEADER_ONLY
namespace internal {
double& get_static_minimin()
{
static double minimin = init_min_double();
return minimin;
}
}
#endif // CGAL_HEADER_ONLY
#endif // CGAL_CFG_DENORMALS_COMPILE_BUG
#ifndef CGAL_HEADER_ONLY
#ifdef _MSC_VER
namespace {
int dummy_symbol_for_stopping_VC_linker_warning;
} // namespace
#endif
#endif // CGAL_HEADER_ONLY
} //namespace CGAL
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